diff --git a/data-pipeline/requirements.txt b/data-pipeline/requirements.txt
index 3df1bf2c..9e91c258 100644
--- a/data-pipeline/requirements.txt
+++ b/data-pipeline/requirements.txt
@@ -13,3 +13,4 @@ awscli<1.14.0
 JSONBender
 aiohttp
 pytz
+pyyaml>=5.4 # not directly required, pinned by Snyk to avoid a vulnerability